533903 has 4 divisors (see below), whose sum is σ = 535848. Its totient is φ = 531960.

The previous prime is 533893. The next prime is 533909. The reversal of 533903 is 309335.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 533903 - 2⁴ = 533887 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5 + 3³ + 9⁶ + 3⁵ + 0 + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (133962).

2⁵³³⁹⁰³ is an apocalyptic number.

533903 is a deficient number, since it is larger than the sum of its proper divisors (1945).

533903 is a wasteful number, since it uses less digits than its factorization.

533903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 1215, while the sum is 23.

The square root of 533903 is about 730.6866633517. The cubic root of 533903 is about 81.1248898980.

The spelling of 533903 in words is "five hundred thirty-three thousand, nine hundred three".